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1 day ago
Quantum Entanglement : The Movie - by Scientific American
Quantum-entangled twins or hoaxsters? In this dramatized film Scientifc American editors George Musser and John Matson try to convince a colleague ...
SciAmerican • 1,240 views
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1 day ago
What is a Higgs Boson?
Fermilab scientist Don Lincoln describes the nature of the Higgs boson. Several large experimental groups are hot on the trail of this elusive sub...
fermilab • 322,373 views
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@christomaszewski1
The Higgs field tells a particle how much mass to have. It is a short-range effect; only the Higgs bosons in the immediate vicinity of a particle interact with that particle. A particle with mass in turn exerts a gravitational force on every other particle with mass -- gravit...
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1 day ago
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1 day ago
Hubblecast 52: The Death of Stars
The NASA/ESA Hubble Space Telescope is famous for looking deep into the past of the Universe. But it can also predict the future. This episode of t...
HubbleESA • 1,185 views
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2 days ago
Infinite Minute #6: S106, A Cosmic Cauldron
Sometimes an image just takes my breath away and I stare at it for hours. This video was inspired by this astronomy ...
tdarnell • 11,078 views
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@BrAdEnSB666
You're not going to see these colors visually. The best you can hope for is to spot faint gray patches at the correct locations. Look up a technique called "star hopping".
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2 days ago
tdarnell • 5,837 views
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@vibol03
Yeah, it sucks, but imagine what your life might be like if this country didn't defend itself and its friends You can debate how much spending is "enough", but remember that it takes two sides to stop a conflict but only one side to *start* one. And lower military budgets equate to hig...
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2 days ago
Space Fan News #50: How Much Dark Energy Is There Really?; NASA Will Launch NuSTAR
tdarnell • 6,717 views
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@somthinjustaintright
In air at Earth-atmosphere pressure, you can produce a "sound" wave by simply waving your hand back and forth. The frequency is too low for your ear to perceive, but it is nonetheless very low-frequency "sound". The principle works in extremely low-density gas, too, just a...
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2 days ago
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2 days ago
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commented:
@bicnarok
Time dilation is not an absolute phenomenon, but is, instead, relative to a particular observer. Observers moving at different velocities relative to us will see us having different amounts of time dilation. There is no such thing as something "stationary"; everything is moving relati...
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4 days ago
Lawrence Krauss: Life, the Universe and Nothing
Lawrence Krauss is a professor in the Department of Physics at Arizona State University. His lecture entitled Life, the Universe and Nothing was re...
tvochannel • 106,576 views
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6 days ago
Atheist Comedy - The Meaning of Life
Fun fact #1: I had trouble uploading this video (about the "meaning of life"); for some reason, it froze at 42%. Tell me that doesn't freak you out...
DarkMatter2525 • 100,188 views
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1 week ago
Clarifying the various Human Species
Clarifying the various Human Species
This is the 5th installment in the 'Falsifying Phylogeny' series. It seemed peripheral to me, but it deals w...
AronRa • 70,312 views
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1 week ago
Three Reasons To Believe In God - Atheist Experience 339
Apparently these three events are all the proof that one needs to know god exists. Even though she didn't believe in god, Molly was angry at him. S...
village1diot • 39,645 views
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commented:
@elibeth121
As a document for conveying facts from one person to another, the bible is a *huge* failure. Vast numbers of books have been written on how to properly "interpret" the bible, especially in the myriad of places where the bible contradicts itself or says something blatantly ethically r...
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1 week ago
silverstream314 • 41,947 views
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@pillefaxe
You obviously missed the part near the beginning where Ashley said that, if presented with evidence, even though his inclination is NOT to believe, good and sufficient evidence would change his mind.
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1 week ago
Fission and Fusion
Check out Fission and Fusion and find out how we can get energy both from splitting an atom and from joining them together!
cassiopeiaproject • 92,721 views
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1 week ago
Voltage regulator tutorial & USB gadget charger circuit
This video covers the basics of linear voltage regulators - what they do, how to wire them up, and where to find them. Then I give a basic example ...
Afrotechmods • 247,225 views
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1 week ago
Red Dwarf Stars: The Embers of Creation
Facebook for Space Fans: http://facebook.com/SpaceFan
Been wanting to do a video on red dwarf stars for a long time. I love the fact that they ar...
tdarnell • 29,322 views
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commented:
@Obelisk155
Actually, the Sun is large enough to begin helium burning at its core. This, in fact, is what will cause the Sun's expansion into a red giant. Helium will fuse into carbon and oxygen, but the core will not get hot enough to initiate carbon burning. The Sun will ultimately collapse ...
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1 week ago
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1 week ago
Mysteries of a Dark Universe
DARK ENERGY in Full HD 1080p. Cosmology, the study of the universe as a whole, has been turned on its head by a stunning discovery that the univers...
SpaceRip • 97,343 views
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1 week ago
The Cavendish Experiment - Sixty Symbols
Henry Cavendish was an unusual man but also one of the first great scientists. Many of his discoveries remained hidden in his notebooks, but his na...
sixtysymbols • 34,044 views
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1 week ago
The Story of Suzie
Look at our world through the eyes of Suzie, a devoutly religious girl who sees divine love and intervention everywhere. This cocoon of comfort ke...
TheThinkingAtheist • 193,465 views
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1 week ago
PixInsight Processing Example: NGC 1808 LRGB (Part 1/2)
* Watch the original videos (two parts) at:
http://pixinsight.com/video...
PixInsight video tutorial by Vicent Peris (OAU...
PixInsight • 1,141 views
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1 week ago
PixInsight Processing Example: NGC 1808 LRGB (Part 2/2)
* Watch the original videos (two parts) at:
http://pixinsight.com/video...
PixInsight video tutorial by Vicent Peris (OAU...
PixInsight • 1,004 views
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2 weeks ago
Astrophotography Tutorial - Wide Field
Here is an old video I recorded - and I may try to bring this one current. But for now I thought it was a start in my personal exploration into as...
bluesman64 • 10,147 views
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@Ox1ze
Not necessary. Firstly, with reasonable polar alignment, even an unguided mount would allow exposures significantly longer than 40 seconds without trailing stars. Secondly, a stationary camera, without any tracking at all, may not trail, depending on the focal length and declination. Th...
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2 weeks ago
How Do We Know the Universe is Flat?
Special thanks to space fan http://www.youtube.com/tsjo... ! Your suggestion, while it didn't have the MOST votes, had enough to justify my d...
tdarnell • 71,494 views
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Eep. The comments below reflect so much complete misunderstanding and partial comprehension of the concepts that it's really impossible to straighten them all out in just a short posting. Cosmologists use the word "flat" in a different sense when talking about the geometry of the Universe. Sup...
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2 weeks ago
"Something cannot come from nothing" - The Atheist Experience #675
Troy (a.k.a. Youtube user Parture) from Edmonton, Alberta (Canada) tries to prove the existence of God with the argument that "something cannot com...
TheAtheistExperience • 64,031 views
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Of *course* he didn't hear any of the logical fallacies Martin pointed out -- that's because he kept right on talking whenever Martin pointed them out. From watching a bunch of these videos, it's easy to begin forming the Chrissy rules for debate:
1) never stop talking long enough to let the o...
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2 weeks ago
Why ATHEISM saddens me
this video is a response to the video 'why religion saddens me". it investigates if the modern atheist movement and it`s deciples or preachers have...
arnie365 • 1,210 views
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commented:
@arnie365
Again, you're entitled to your own opinions, but not your own facts. Belief in a god is well below 50% in nearly every European country. At best, they profess a belief in some kind of "life force".
Yes, I do believe in the universe -- most folks, except the truly deluded, would conce...
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3 weeks ago
The Sixth Dimension - Sixty Symbols
Continuing a week of egg-themed physics (for Easter 2011), Professor Egg Copeland discusses a theory which relates to the cosmological constant. Mo...
sixtysymbols • 60,247 views
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@BinaryStars100
"I have seen a number of programs where CC is the conclusion ..." Well, yes. It so happens that the CC is a quite good explanation of the universal acceleration. So, within the observational errors, CC fits -- what else are they going to say? There are other possible explanati...
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3 weeks ago
Explosions defying Einstein? - Death Star - BBC Horizon science
Could the explosions happening in deep space defy Einstein's famous equation - E=MC2 ? Check ou tthis clip from BBC science show 'Death Star' to fi...
BBCWorldwide • 159,218 views
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3 weeks ago
Wobbly Earth - Sixty Symbols
Axial precession is the reason the Earth's axis has a long-term but quite dramatic "wobble", as explained here by Roger Bowley and Mike Merrifield....
sixtysymbols • 29,312 views
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@pseudorandomly
(cont) ... that situation will reverse. Since the Earth moves more quickly in its orbit when it is close, the southern hemisphere will wind up with less summertime heating while the northern hemisphere gets more. But since the northern hemisphere has most of the land, that chang...
@cogito2
And, of course, there's always the Uri Geller dodge to fall back on, as when Johnny Carson switched spoons on him. "Oh, I'm sorry, but I'm just not feeling it tonight."